<!--
    THIS EXAMPLE WAS DOWNLOADED FROM https://echarts.apache.org/examples/en/editor.html?c=bar-race-country
-->
<!DOCTYPE html>
<html style="height: 100%">
    <head>
        <meta charset="utf-8">
    </head>
    <body style="height: 100%; margin: 0">
        <div id="container" style="height: 100%"></div>

        <script type="text/javascript" src=""></script>
        <!-- Uncomment this line if you want to dataTool extension
        <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/echarts@5.2.2/dist/extension/dataTool.min.js"></script>
        -->
        <!-- Uncomment this line if you want to use gl extension
        <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/echarts-gl@2/dist/echarts-gl.min.js"></script>
        -->
        <!-- Uncomment this line if you want to echarts-stat extension
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        -->
        <!-- Uncomment this line if you want to use map
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        <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/echarts@5.2.2/map/js/world.js"></script>
        -->
        <!-- Uncomment these two lines if you want to use bmap extension
        <script type="text/javascript" src="https://api.map.baidu.com/api?v=2.0&ak=<Your Key Here>"></script>
        <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/echarts@{{version}}/dist/extension/bmap.min.js"></script>
        -->

        <script type="text/javascript">
var dom = document.getElementById("container");
var myChart = echarts.init(dom);
var app = {};

var option;



const updateFrequency = 2000;
const dimension = 0;
const countryColors = {
  Australia: '#00008b',
  Canada: '#f00',
  China: '#ffde00',
  Cuba: '#002a8f',
  Finland: '#003580',
  France: '#ed2939',
  Germany: '#000',
  Iceland: '#003897',
  India: '#f93',
  Japan: '#bc002d',
  'North Korea': '#024fa2',
  'South Korea': '#000',
  'New Zealand': '#00247d',
  Norway: '#ef2b2d',
  Poland: '#dc143c',
  Russia: '#d52b1e',
  Turkey: '#e30a17',
  'United Kingdom': '#00247d',
  'United States': '#b22234'
};
$.when(
  $.getJSON('https://cdn.jsdelivr.net/npm/emoji-flags@1.3.0/data.json'),
  $.getJSON(ROOT_PATH + '/data/asset/data/life-expectancy-table.json')
).done(function (res0, res1) {
  const flags = res0[0];
  const data = res1[0];
  const years = [];
  for (let i = 0; i < data.length; ++i) {
    if (years.length === 0 || years[years.length - 1] !== data[i][4]) {
      years.push(data[i][4]);
    }
  }
  function getFlag(countryName) {
    if (!countryName) {
      return '';
    }
    return (
      flags.find(function (item) {
        return item.name === countryName;
      }) || {}
    ).emoji;
  }
  let startIndex = 10;
  let startYear = years[startIndex];
  option = {
    grid: {
      top: 10,
      bottom: 30,
      left: 150,
      right: 80
    },
    xAxis: {
      max: 'dataMax',
      axisLabel: {
        formatter: function (n) {
          return Math.round(n) + '';
        }
      }
    },
    dataset: {
      source: data.slice(1).filter(function (d) {
        return d[4] === startYear;
      })
    },
    yAxis: {
      type: 'category',
      inverse: true,
      max: 10,
      axisLabel: {
        show: true,
        fontSize: 14,
        formatter: function (value) {
          return value + '{flag|' + getFlag(value) + '}';
        },
        rich: {
          flag: {
            fontSize: 25,
            padding: 5
          }
        }
      },
      animationDuration: 300,
      animationDurationUpdate: 300
    },
    series: [
      {
        realtimeSort: true,
        seriesLayoutBy: 'column',
        type: 'bar',
        itemStyle: {
          color: function (param) {
            return countryColors[param.value[3]] || '#5470c6';
          }
        },
        encode: {
          x: dimension,
          y: 3
        },
        label: {
          show: true,
          precision: 1,
          position: 'right',
          valueAnimation: true,
          fontFamily: 'monospace'
        }
      }
    ],
    // Disable init animation.
    animationDuration: 0,
    animationDurationUpdate: updateFrequency,
    animationEasing: 'linear',
    animationEasingUpdate: 'linear',
    graphic: {
      elements: [
        {
          type: 'text',
          right: 160,
          bottom: 60,
          style: {
            text: startYear,
            font: 'bolder 80px monospace',
            fill: 'rgba(100, 100, 100, 0.25)'
          },
          z: 100
        }
      ]
    }
  };
  // console.log(option);
  myChart.setOption(option);
  for (let i = startIndex; i < years.length - 1; ++i) {
    (function (i) {
      setTimeout(function () {
        updateYear(years[i + 1]);
      }, (i - startIndex) * updateFrequency);
    })(i);
  }
  function updateYear(year) {
    let source = data.slice(1).filter(function (d) {
      return d[4] === year;
    });
    option.series[0].data = source;
    option.graphic.elements[0].style.text = year;
    myChart.setOption(option);
  }
});

if (option && typeof option === 'object') {
    myChart.setOption(option);
}

        </script>
    </body>
</html>
    